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Commit a1071a5a authored by Mattia Dongili's avatar Mattia Dongili Committed by Matthew Garrett
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sony-laptop: correct find_snc_handle failure checks 



Since bab7084c, find_snc_handle
returns -EINVAL, not -1.

Signed-off-by: default avatarMattia Dongili <malattia@linux.it>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent 56f4a9f7

drivers/platform/x86/sony-laptop.c

+3 −3
Original line number Diff line number Diff line
@@ -2555,19 +2555,19 @@ static void sony_nc_backlight_setup(void) 
	const struct backlight_ops *ops = NULL;

	struct backlight_properties props;



	if (sony_find_snc_handle(0x12f) != -1) {

	if (sony_find_snc_handle(0x12f) >= 0) {

		ops = &sony_backlight_ng_ops;

		sony_bl_props.cmd_base = 0x0100;

		sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);

		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;



	} else if (sony_find_snc_handle(0x137) != -1) {

	} else if (sony_find_snc_handle(0x137) >= 0) {

		ops = &sony_backlight_ng_ops;

		sony_bl_props.cmd_base = 0x0100;

		sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);

		max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;



	} else if (sony_find_snc_handle(0x143) != -1) {

	} else if (sony_find_snc_handle(0x143) >= 0) {

		ops = &sony_backlight_ng_ops;

		sony_bl_props.cmd_base = 0x3000;

		sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);